Great post by Hidde, warning about blindly trusting accessibility claims.
Not all ‘accessible components’ are created equal, some will work a lot better for our end users than other. In this post I have listed a number of things you can look at if you are considering third-party components.
I especially like this part:
Sometimes, HTML-only patterns are easier to understand for end users. More ARIA does not mean more accessibility.
It overlaps perfectly with Jeremy‘s thoughts in Robustness and Least Power